cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A361507 a(0) = 1; thereafter a(n) = floor((9/4)*a(n-1)) + 1.

Table of values

n a(n)
0 1
1 3
2 7
3 16
4 37
5 84
6 190
7 428
8 964
9 2170
10 4883
11 10987
12 24721
13 55623
14 125152
15 281593
16 633585
17 1425567
18 3207526
19 7216934
20 16238102
21 36535730
22 82205393
23 184962135
24 416164804
25 936370810
26 2106834323
27 4740377227
28 10665848761
29 23998159713
30 53995859355
31 121490683549
32 273354037986
33 615046585469
34 1383854817306
35 3113673338939

List of values

[1, 3, 7, 16, 37, 84, 190, 428, 964, 2170, 4883, 10987, 24721, 55623, 125152, 281593, 633585, 1425567, 3207526, 7216934, 16238102, 36535730, 82205393, 184962135, 416164804, 936370810, 2106834323, 4740377227, 10665848761, 23998159713, 53995859355, 121490683549, 273354037986, 615046585469, 1383854817306, 3113673338939]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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